"""Python package for evaluating aerostructural loads."""
# This file is part of FAST-OAD : A framework for rapid Overall Aircraft Design
# Copyright (C) 2025 ONERA & ISAE-SUPAERO
# FAST is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import fastoad.api as oad
import openmdao.api as om
from fastoad.module_management.constants import ModelDomain
from .constants import (
SERVICE_GUST_LOADS,
SERVICE_MANEUVER_LOADS,
SERVICE_SIZING_LOADS_ENVELOPE,
SERVICE_SIZING_LOADS_MAX,
)
[docs]
@oad.RegisterOpenMDAOSystem("fastoad.loads.legacy", domain=ModelDomain.LOADS)
class ComputeLoads(om.Group):
[docs]
def initialize(self):
self.options.declare(
"fuel_load_alleviation",
types=bool,
default=True,
desc="If False this simulates a dry wing,"
"i.e. the sizing load 2 (pull-up/vertical gust at MTOW) does not take into account "
"the fuel weight.",
)
[docs]
def setup(self):
fuel_load_alleviation_option = {
"fuel_load_alleviation": self.options["fuel_load_alleviation"]
}
self.add_subsystem(
"gust_loads",
oad.RegisterSubmodel.get_submodel(SERVICE_GUST_LOADS),
promotes=["*"],
)
self.add_subsystem(
"maneuver_loads",
oad.RegisterSubmodel.get_submodel(SERVICE_MANEUVER_LOADS),
promotes=["*"],
)
self.add_subsystem(
"sizing_loads_envelope",
oad.RegisterSubmodel.get_submodel(
SERVICE_SIZING_LOADS_ENVELOPE, fuel_load_alleviation_option
),
promotes=["*"],
)
self.add_subsystem(
"sizing_loads_max",
oad.RegisterSubmodel.get_submodel(SERVICE_SIZING_LOADS_MAX),
promotes=["*"],
)